Home / 33,290.78-49,936.36-11,104.09

Finding the Fourth Proportional to 33,290.78, 49,936.36 and 11,104.09

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Solution

The fourth proportional to 33,290.78, 49,936.36 and 11,104.09 is: 16,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,290.78 : 49,936.36 = 11,104.09 : x
  2. Step 2: Convert to fraction form
    33,290.78/49,936.36 = 11,104.09/x
  3. Step 3: Cross multiply
    33,290.78x = 49,936.36 × 11,104.09
  4. Step 4: Simplify right side
    33,290.78x = 554,497,930.22
  5. Step 5: Solve for x
    x = 554,497,930.22/33,290.78
  6. Step 6: Final answer
    x = 16,656.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.